DMD is located on the 23rd chromosome and is an X linked recessive disorder.(Include picture of the 23 chromosomes here, point out the 23rd)

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Pedigree

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Since DMD is X linked recessive, a man can't pass it on to his son, but he will pass it on to his daughter.

Muscles not from Brussels

Histopathology of gastrocnemius muscle from patien...

English: Example of exon deletions detected by Mul...

A carrier woman has a 25% chance of having an affected son or a carrier daughter.(Include picture of pedigree here)

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Males with DMD usually pass away by their early 20s. A smaller percent doesn't even make it to their late teens, and even less make it to their 30s. At an average age of 9, DMD is accompanied with occasional use of a wheelchair, and total reliance usually follows by early teens.

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Discovery and Research

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French neurologist, Dr. Guillaume-Benjamin-Amand Duchenne, was not the first to describe this form of muscular dystrophy, but he was the first to study the diseased muscles microscopically.

To do this, he invented a tool that removed small portions of tissue located inside the body.

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By developing this tool, called Duchenne's trocar, he founded the diagnostic practice of biopsy. After...

More Diseases essays:

... genetic disorder. The scientific name of this genetic disease is Duchenne Muscular Dystrophy , otherwise referred to as Duchenne MD or DMD. DMD is caused by a recessive allele on the X-chromosome, and is therefore sex-linked ...

... and occupational therapy, are used. Genetic tests for mutations in the different genes causing muscular dystrophy provide rapid and accurate diagnosis for patients. In the case of the X-linked Duchenne and Becker muscular dystrophies, these tests allow detection of female carriers of the disorders.

... Muscular Dystrophy Muscular dystrophy is a disease of the muscles. It can affect anyone from young kids to adults. Muscular dystrophy (MD) has many different forms. A few of these are: Duchenne ...

1 pages551Feb/20080.0

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